/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package jacky.lanlan.song.io.stream;

import java.io.IOException;
import java.io.OutputStream;

/**
 * A Proxy stream which acts as expected, that is it passes the method
 * calls on to the proxied stream and doesn't change which methods are
 * being called. It is an alternative base class to FilterOutputStream
 * to increase reusability.
 * 
 * @author Stephen Colebourne
 * @version $Id: ProxyOutputStream.java 471628 2006-11-06 04:06:45Z bayard $
 */
public class ProxyOutputStream extends OutputStream {

	private OutputStream out;
    /**
     * Constructs a new ProxyOutputStream.
     * 
     * @param proxy  the OutputStream to delegate to
     */
    public ProxyOutputStream(OutputStream proxy) {
    	out =proxy;
    }

    /** @see java.io.OutputStream#write(int) */
    @Override
		public void write(int idx) throws IOException {
        out.write(idx);
    }

    /** @see java.io.OutputStream#write(byte[]) */
    @Override
		public void write(byte[] bts) throws IOException {
        out.write(bts);
    }

    /** @see java.io.OutputStream#write(byte[], int, int) */
    @Override
		public void write(byte[] bts, int st, int end) throws IOException {
        out.write(bts, st, end);
    }

    /** @see java.io.OutputStream#flush() */
    @Override
		public void flush() throws IOException {
        out.flush();
    }

    /** @see java.io.OutputStream#close() */
    @Override
		public void close() throws IOException {
        out.close();
    }

}
